National GP 30 Grinder & Polisher

Equipped with a gear-togear calibrated counter-rotational tooling matrix, the GP30’s counterbalanced, centrifugal-centered design does not pull side-to-side, lessening operator fatigue and increasing productivity.
Description The GP series prepares concrete floors for topical coatings, overlayments, and adhesive floor coverings. It will efficiently polish floors to a high-gloss shine. Equipped with a gear-togear calibrated counter-rotational tooling matrix, the GP30’s counterbalanced, centrifugal-centered design does not pull side-to-side, lessening operator fatigue and increasing productivity.

A. LCD (liquid crystal display) control box includes variable speed and soft start features minimize blown circuit breakers; forward and reverse functionality results in cleaner consumables and more consistent tooling wear
B. 11-gallon, onboard water tank; water dosing system supports wet-grinding slurry applications such as hardtroweled concrete, granite floors, and marble surfaces
C. Six removable side weights for additional head pressures; positioning weights into handle pockets reduces head pressure for easy mobility during transport
D. Adjustable powder-coated mill steel shroud; can be easily raised during wet-grinding applications or higher grit polishing
E. Additional transport wheels
F. Dual 3-inch vacuum ports
G. Each counter-rotating tooling holder is mounted on a Morflex coupler for easy maintenance and allows the tooling to follow surface contours for polishing or creating a uniform scratch pattern for coating applications

GP30 Production Rates
• Mastic removal: 600 square feet per hour/ 56 square meters per hour
• Thin-set removal: 600 square feet per hour/ 56 square meters per hour
• Mil-coatings removal: 425 square feet per hour/ 39 square meters per hour
• Concrete polishing: 1,200 square feet per hour/ 111.5 square meters per hour
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